Engineering, 10.12.2019 03:31 krystalsanabria83
An engine health monitoring system consists of a primary unit and a standby unit. the mttf of the primary unit is 1000 operating hours and the mttf of the standby unit is 333 hour when in operation and 2000 hours while in standby status. a) estimate the design life cycle of the system if specifications require a reliability of 0.9.b) whats is the system mttf?
Answers: 1
Engineering, 04.07.2019 18:10, michellerosas
Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.
Answers: 3
Engineering, 04.07.2019 18:10, tobyhollingsworth178
Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer
Answers: 2
An engine health monitoring system consists of a primary unit and a standby unit. the mttf of the pr...
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